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Finding the Fourth Proportional to 166,305.52, 249,542.52 and 72,812.08

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Solution

The fourth proportional to 166,305.52, 249,542.52 and 72,812.08 is: 109,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,305.52 : 249,542.52 = 72,812.08 : x
  2. Step 2: Convert to fraction form
    166,305.52/249,542.52 = 72,812.08/x
  3. Step 3: Cross multiply
    166,305.52x = 249,542.52 × 72,812.08
  4. Step 4: Simplify right side
    166,305.52x = 18,169,709,929.64
  5. Step 5: Solve for x
    x = 18,169,709,929.64/166,305.52
  6. Step 6: Final answer
    x = 109,255.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.